MESON Chess Problem Database
Problem Display
PID: 79003 (8/1nN3K1/2p2N2/4k3/4Pp2/8/5QP1/b2R4 w - - 0 1)
Rice, John Michael
BCSC Starter, 2000-2001
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sd6
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...f3
- 2.Qg3#
- 1...c5
- 2.Rd5#
- 1...Bb2
- Tries
- 1.Kg6?
- 1...Bd4
- 2.Qxd4#
- 1...f3
- 2.Qg3#
- 1...Bb2
- 2.Qxb2#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sd6
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...c5
- 2.Rd5#
- 1...Bc3!
- 1...Bd4
- 1.Rd3?
- 1...Bd4
- 2.Qxd4#
- 1...f3
- 2.Qg3#
- 1...Bb2
- 2.Qxb2#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sd6
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...c5
- 2.Rd5#
- 1...Bc3!
- 1...Bd4
- 1.Rd6?
- threat
- 2.Re6#
- 1...Sxd6
- 2.Qc5#
- 1...f3
- 2.Qg3#
- 1...Sc5
- 2.Qxc5#
- 1...Sd8
- 2.Qc5#
- 1...Kxd6!
- threat
- 1.Rd7?
- 1...f3
- 2.Qg3#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sd6
- 2.Re7#
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...c5
- 2.Rd5#
- 1...Bc3!
- 1...f3
- 1.Rd8?
- 1...Sxd8
- 2.Qc5#
- 1...f3
- 2.Qg3#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sd6
- 2.Qc5#
- 1...c5
- 2.Rd5#
- 1...Bc3!
- 1...Sxd8
- 1.Qe1?
- threat
- 2.Sg4#
- 2.Sd7#
- 1...f3
- 2.Qg3#
- 1...Sc5
- 2.Sg4#
- 1...Bd4!
- threat
- 1.Qe3?
- threat
- 2.Sg4#
- 2.Sd7#
- 1...Bd4
- 2.Qxd4#
- 1...Sc5
- 2.Sg4#
- 2.Qxc5#
- 1...fxe3!
- threat
- 1.Qa2?
- threat
- 2.Qe6#
- 2.Qxa1#
- 1...Bd4
- 2.Qe6#
- 1...Bc3
- 2.Qe6#
- 1...Bb2
- 2.Qe6#
- 2.Qxb2#
- 1...Sc5
- 2.Qxa1#
- 1...Sd8
- 2.Qxa1#
- 1...f3!
- threat
- 1.Qf3?
- threat
- 2.Sg4#
- 2.Sd7#
- 2.Qh5#
- 1...Sc5
- 2.Sg4#
- 2.Qh5#
- 1...Sd6
- 2.Sg4#
- 2.Sd7#
- 1...Bd4!
- threat
- 1.g3?
- threat
- 2.Qxf4#
- 2.gxf4#
- 1...fxg3
- 2.Qxg3#
- 2.Qf5#
- 1...Bd4
- 2.Qxd4#
- 2.Qxf4#
- 1...f3!
- threat
- 1.g4?
- 1...fxg4 ep
- 2.Qxg3#
- 2.Qf5#
- 1...Bd4
- 2.Qxd4#
- 1...f3
- 2.Qg3#
- 2.Qh2#
- 1...Bb2
- 2.Qxb2#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sd6
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...c5
- 2.Rd5#
- 1...Bc3!
- 1...fxg4 ep
- 1.Kg6?
- Keys
- 1.Qd2!
- 1...Bd4
- 2.Qxd4#
- 1...Bc3
- 2.Qxc3#
- 1...Bb2
- 2.Qxb2#
- 1...Sa5
- 2.Qd6#
- 1...Sc5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qd6#
- 1...f3
- 2.Qg5#
- 1...c5
- 2.Qd5#
- 1...Bd4
- 1.Qd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);N_GUARD::QAB1(B),XB(a)
- S(e);N_GUARD::QAR2(B)
- S(e);N_GUARD::QAR2(B),XS(e)
- P(b);OGATEB::QAB(B)
- P(d);N_GUARD::R1(A)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- B(a);N_GUARD::QAB1(B),XB(a)
- P(b);OGATEB::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- S(e);N_GUARD::QAR2(B)
- S(e);N_GUARD::QAR2(B),XS(e)
- P(d);N_GUARD::R1(A)
- Refutation
- B(a);
- Try
- R(A);
- Vars
- B(a);N_GUARD::QAB1(B),XB(a)
- P(b);OGATEB::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- S(e);N_GUARD::QAR2(B)
- S(e);N_GUARD::QAR2(B),XS(e)
- P(d);N_GUARD::R1(A)
- Refutation
- B(a);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- S(e);N_GUARD,XR(A)::QAR2(B)
- P(b);OGATEB::QAB(B)
- S(e);N_GUARD::QAR2(B),XS(e)
- S(e);N_GUARD::QAR2(B)
- Refutation
- K(c);P_PINS(E),S_FLIGHT,XR(A)
- Try
- R(A);
- Vars
- P(b);OGATEB::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);N_GUARD::QAB1(B),XB(a)
- S(e);N_GUARD::QAR2(B)
- S(e);N_GUARD::QAR2(B),XS(e)
- P(d);N_GUARD::R1(A)
- Refutation
- B(a);
- Try
- R(A);
- Vars
- S(e);N_GUARD,XR(A)::QAR2(B)
- P(b);OGATEB::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);N_GUARD::QAB1(B),XB(a)
- S(e);N_GUARD::QAR2(B)
- S(e);N_GUARD::QAR2(B),XS(e)
- P(d);N_GUARD::R1(A)
- Refutation
- B(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::QAB(B)
- S(e);::S(E)
- Refutation
- B(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD::QAB1(B),XB(a)
- Refutation
- P(b);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(a);::QAR1(B)
- S(e);::QAB(B),XB(a)
- Refutation
- P(b);
- Try
- Q(B);
- Threat
- DUALS(3)
- Refutation
- B(a);
- Try
- P(C);
- Threat
- DUALS(2)
- Refutation
- P(b);
- Try
- P(C);
- Vars
- B(a);N_GUARD::QAB1(B),XB(a)
- B(a);N_GUARD::QAB(B),XB(a)
- S(e);N_GUARD::QAR2(B)
- S(e);N_GUARD::QAR2(B),XS(e)
- P(d);N_GUARD::R1(A)
- Refutation
- B(a);
- Try
- Actual
- Q(B);
- Vars
- B(a);N_GUARD::QAB1(B),XB(a)
- B(a);N_GUARD::QAB(B),XB(a)
- S(e);N_GUARD::QAB1(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- P(b);OGATE::QAR2(B)
- P(d);N_GUARD::QAR1(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).